33982 datasheet(32/35 Pages) FREESCALE

Part #	33982

Description	Single Intelligent High-current Self-protected Silicon High Side Switch (2.0m ohm)

PDF	35 Pages

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Manufacturer	FREESCALE [Freescale Semiconductor, Inc]

Direct Link	http://www.freescale.com

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32 / 35 page

Analog Integrated Circuit Device Data

Freescale Semiconductor

33982

ADDITIONAL DOCUMENTATION

THERMAL ADDENDUM (REV 3.0)

Figure 14. Thermal Test Board

Device on Thermal Test Board

RθJA is the thermal resistance between die junction and

ambient air.

This device is a dual die package. Index m indicates the

die that is heated. Index n refers to the number of the die

where the junction temperature is sensed.

VPWR

GND

11 10 9 8 7

6 5

3 2

16-Pin PQFN

0.90 mm Pitch

12.0 mm x 12.0 mm Body

33982B Pin Connections

Transparent Top View

Material:

Single layer printed circuit board

FR4, 1.6mm thickness

Cu traces, 0.07mm thickness

Outline:

80mm x 100mm board area,

including edge connector for thermal

testing

Area A:

Cu heat-spreading areas on board

surface

Ambient Conditions:

Natural convection, still air

Table 19. Thermal Resistance Performance

Thermal

Resistance

Area A

(mm2)

1 = Power Chip, 2 = Logic Chip (

°C/W)

m = 1,

n = 1

m = 1, n = 2

m = 2, n = 1

m = 2,

n = 2

RθJAmn

055

300

600

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